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Finding the Fourth Proportional to 867,713.60, 1,301,450.40 and 269,086.40

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Solution

The fourth proportional to 867,713.60, 1,301,450.40 and 269,086.40 is: 403,592.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,713.60 : 1,301,450.40 = 269,086.40 : x
  2. Step 2: Convert to fraction form
    867,713.60/1,301,450.40 = 269,086.40/x
  3. Step 3: Cross multiply
    867,713.60x = 1,301,450.40 × 269,086.40
  4. Step 4: Simplify right side
    867,713.60x = 350,202,602,914.56
  5. Step 5: Solve for x
    x = 350,202,602,914.56/867,713.60
  6. Step 6: Final answer
    x = 403,592.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.